CN211116708U

CN211116708U - Multi-wing centrifugal fan air ducting

Info

Publication number: CN211116708U
Application number: CN201921893491.1U
Authority: CN
Inventors: 黄海山
Original assignee: Foshan Yalutai Ventilation Equipment Co ltd
Current assignee: Foshan Yalutai Ventilation Equipment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-28
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to the technical field of multi-wing centrifugal fans, and discloses a multi-wing centrifugal fan air guide device, wherein a fan is fixedly arranged at one side of an air inlet, the air guide device is connected between the air inlet and the fan, a base is fixedly arranged at the bottom of the fan, an air outlet is fixedly arranged at one side of the air guide device, and the outer surface of the air guide device is sleeved inside a support component. The supporting component can support the centrifugal fan when the centrifugal fan is installed on other objects.

Description

Multi-wing centrifugal fan air ducting

Technical Field

The utility model relates to a multiple wing formula centrifugal fan technical field specifically is a multiple wing formula centrifugal fan air ducting.

Background

Multi-wing centrifugal fans are widely used in ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical equipment; drying and selecting grains; the centrifugal fan can adopt blades which are inclined forwards or backwards, the requirement on air quantity and air pressure is more widely adapted, and the multi-wing centrifugal wind can be made into two types of right-handed rotation and left-handed rotation.

However, the conventional multi-wing centrifugal fan is unstable when being installed on other objects, and blocks wind during wind inlet, so that the wind inlet is not smooth, the energy consumption loss is serious, the air inlet is large, the airflow is easy to be disordered, and the efficiency is reduced. Therefore, those skilled in the art provide an air guiding device of a multi-blade centrifugal fan to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-wing formula centrifugal fan air ducting to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multi-wing formula centrifugal fan air ducting, includes air intake, fan, frame and air outlet, one side fixed mounting of air intake has the fan, the middle department of air intake and fan is connected with air ducting, the bottom fixed mounting of fan has the frame, one side fixed mounting of air ducting has the air outlet, air ducting's surface cup joints the inside at supporting component.

As a further aspect of the present invention: the air guide device comprises a rotating shaft, a rotating blade, an air guide cylinder and a motor, one side of the fan is connected with one side of the motor, the air guide cylinder is fixedly mounted on the other side of the motor, an air inlet is fixedly mounted at one end of the air guide cylinder, the rotating shaft is sleeved inside the air guide cylinder, and the rotating blade is fixedly mounted on the outer surface of the rotating shaft.

As a further aspect of the present invention: one end of the rotating shaft is fixedly arranged at the output end of the motor, the length of the rotating shaft is equal to that of the air guide cylinder, the air guide cylinder is of a hollow tubular structure, the air guide cylinder and the motor are of an intercommunicating structure, and the number of the rotating blades is three.

As a further aspect of the present invention: the supporting component comprises a shell, a cross beam, a vertical beam, a through hole, a support, a driving shaft and a bearing, the driving shaft is sleeved with the inside of the bearing, the bearing is fixedly installed at the center of the upper surface of the cross beam, the vertical beam is installed at the center of the lower surface of the cross beam, the cross beam and the vertical beam are both fixedly installed on one side of the shell through screws, the support is fixedly installed on the other side of the shell, and the through hole is formed in the upper surface of the support.

As a further aspect of the present invention: the crossbeam is perpendicular installation from top to bottom with erecting the roof beam, and the crossbeam has the bearing through the screw fixation with erecting the junction upper surface of roof beam, the inner wall radius of bearing and the radius of drive shaft equal, the length of crossbeam is twice for erecting roof beam length, and the crossbeam is stainless steel material component with erecting the roof beam.

As a further proposal of the utility model, the bracket is of L type structure, the number of the through holes is four, the through holes are evenly distributed on the upper surface of the bracket, and the shell is of a hollow cuboid structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the supporting component who sets up utilizes the crossbeam to erect bolted connection between the roof beam, the inter combination of drive shaft and bearing, fix in one side of air intake simultaneously, the cladding of whole shell simultaneously can play the supporting role when other objects are installed to centrifugal fan, prevent to receive other factors simultaneously and destroy, and the air inlet is smooth and easy when using for the multi-wing formula centrifugal fan, and ventilation effect is better, and the through-hole makes things convenient for the dismouting when the maintenance on the L type support for multi-wing formula centrifugal fan uses more conveniently.

2. The utility model discloses an air ducting, through the motor drive pivot, the pivot drives the rotating vane, and the rotating vane begins to absorb the outside air to get into the fan, the fan passes through the air outlet transmission and goes away, and whole project organization is succinct, and the air inlet space of effectual reduction air intake department makes the flow of air current in the fan shorten, makes the air current concentrate and the loss is few, and air current density grow, and then has improved efficiency, has reduced the noise to a certain extent simultaneously.

Drawings

Fig. 1 is a schematic structural view of an air guiding device of a multi-blade centrifugal fan;

fig. 2 is a schematic view of an internal structure of an air guiding device in a multi-blade centrifugal fan air guiding device;

FIG. 3 is a side view of a support assembly of a multi-blade centrifugal fan wind guiding device;

in the figure: 1. a housing; 2. an air inlet; 3. a cross beam; 4. erecting a beam; 5. a through hole; 6. a support; 7. a drive shaft; 8. a rotating shaft; 9. rotating the leaf; 10. an air duct; 11. a fan; 12. an air guide device; 13. a machine base; 14. an air outlet; 15. a motor; 16. a bearing; 17. a support assembly.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, a multi-blade centrifugal fan air guiding device includes an air inlet 2, a fan 11, a base 13 and an air outlet 14, the fan 11 is fixedly installed at one side of the air inlet 2, an air guiding device 12 is connected between the air inlet 2 and the fan 11, the base 13 is fixedly installed at the bottom of the fan 11, the air outlet 14 is fixedly installed at one side of the air guiding device 12, an outer surface of the air guiding device 12 is sleeved inside a supporting component 17, the air guiding device 12 includes a rotating shaft 8, a rotating blade 9, an air guiding cylinder 10 and a motor 15, the motor 15 is Y80M1-2, a control switch is installed on a front surface of the motor 15, a controller for controlling the motor 15 is installed inside the control switch, the controller is DP-TMA-4B, one side of the fan 11 is connected with one side of the motor 15, the air guiding cylinder 10 is, one end fixed mounting of guide duct 10 has air intake 2, and the inside of guide duct 10 has cup jointed pivot 8, the outer fixed surface of pivot 8 installs rotating vane 9, the one end fixed mounting of pivot 8 is on the output of motor 15, and the length of pivot 8 equals with the length of guide duct 10, guide duct 10 is the hollow tubular structure, and guide duct 10 is intercommunication structure with motor 15, the quantity of rotating vane 9 is three, fan 11 transmits away through air outlet 14, whole design is succinct, the air inlet space of 2 departments of effectual reduction air intake, make the flow of air current in fan 11 shorten, make the air current concentrate and the loss is few and then raise the efficiency.

In fig. 1 and 3, a support assembly 17 comprises a shell 1, a cross beam 3, a vertical beam 4, through holes 5, a support 6, a driving shaft 7 and a bearing 16, the driving shaft 7 is sleeved inside the bearing 16, the bearing 16 is fixedly installed at the center of the upper surface of the cross beam 3, the vertical beam 4 is installed at the center of the lower surface of the cross beam 3, the cross beam 3 and the vertical beam 4 are both fixedly installed on one side of the shell 1 through screws, the support 6 is fixedly installed on the other side of the shell 1, the through holes 5 are formed in the upper surface of the support 6, the cross beam 3 and the vertical beam 4 are both made of stainless steel members, the radius of the inner wall of the bearing 16 is equal to that of the driving shaft 7, the support 6 is of an L type structure, the number of the through holes 5 is four, the through holes 5 are uniformly distributed on the upper surface of the support 6, the shell 1 is of a cuboid hollow cuboid structure, the cross beam 3 and the vertical beam 4 are detached from the shell 1, the multi-wing centrifugal fan is taken out, and the multi-wing centrifugal fan is convenient to overhaul, and the centrifugal fan is further increased in utilization rate.

The utility model discloses a working principle is that put into multi-wing formula centrifugal fan in shell 1, utilize the bolted connection between crossbeam 3 and the perpendicular roof beam 4, fix in one side of shell 1, and the mutually connected of drive shaft 7 and bearing 16, fix in one side of air intake 2 simultaneously, the cladding of whole shell 1 simultaneously, can play the supporting role when installing other objects to centrifugal fan, prevent simultaneously to receive other factor destruction, and multi-wing formula centrifugal fan air inlet when using is smooth and easy, ventilation effect is better, through-hole 5 on L type support 6 makes things convenient for the dismouting when the maintenance, make multi-wing formula centrifugal fan use more convenient, when using multi-wing formula centrifugal fan, open control switch, drive pivot 8 through motor 15, pivot 8 drives rotatory leaf 9, rotatory leaf 9 begins to absorb the outside air, thereby get into fan 11, fan 11 transmits away through air outlet 14, whole project organization is succinct, the air inlet space of effectual reduction air intake 2 department, make the flow of air current shorten in the fan, make the air current concentrate and the loss is little, and the air current density grow, and then the efficiency is improved, the noise has been reduced to a certain extent simultaneously.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multi-wing formula centrifugal fan air ducting, includes air intake (2), fan (11), frame (13) and air outlet (14), its characterized in that, one side fixed mounting of air intake (2) has fan (11), air intake (2) are connected with air ducting (12) with the centre department of fan (11), the bottom fixed mounting of fan (11) has frame (13), one side fixed mounting of air ducting (12) has air outlet (14), the inside at supporting component (17) is cup jointed to the surface of air ducting (12).

2. The multi-wing centrifugal fan air guiding device according to claim 1, wherein the air guiding device (12) comprises a rotating shaft (8), a rotating blade (9), an air guiding duct (10) and a motor (15), one side of the fan (11) is connected with one side of the motor (15), the other side of the motor (15) is fixedly provided with the air guiding duct (10), one end of the air guiding duct (10) is fixedly provided with the air inlet (2), the rotating shaft (8) is sleeved inside the air guiding duct (10), and the rotating blade (9) is fixedly arranged on the outer surface of the rotating shaft (8).

3. The air ducting device of claim 2, wherein one end of the rotating shaft (8) is fixedly mounted on an output end of the motor (15), the length of the rotating shaft (8) is equal to that of the air duct (10), the air duct (10) is of a hollow tubular structure, the air duct (10) and the motor (15) are of an intercommunicating structure, and the number of the rotating blades (9) is three.

4. The multi-wing centrifugal fan air ducting device of claim 1, wherein the support assembly (17) comprises a housing (1), a cross beam (3), a vertical beam (4), a through hole (5), a support (6), a driving shaft (7) and a bearing (16), the driving shaft (7) is sleeved with the inside of the bearing (16), the bearing (16) is fixedly installed at the center of the upper surface of the cross beam (3), the vertical beam (4) is installed at the center of the lower surface of the cross beam (3), the cross beam (3) and the vertical beam (4) are both fixedly installed at one side of the housing (1) through screws, the support (6) is fixedly installed at the other side of the housing (1), and the through hole (5) is formed in the upper surface of the support (6).

5. The multi-wing centrifugal fan air ducting device as claimed in claim 4, wherein the cross beam (3) and the vertical beam (4) are vertically installed, a bearing (16) is fixed on the upper surface of the joint of the cross beam (3) and the vertical beam (4) through screws, the radius of the inner wall of the bearing (16) is equal to that of the driving shaft (7), the length of the cross beam (3) is twice that of the vertical beam (4), and the cross beam (3) and the vertical beam (4) are both stainless steel members.

6. The wind guiding device of the multi-wing centrifugal fan as defined in claim 4, wherein the support (6) is of L-type structure, the number of the through holes (5) is four, the through holes (5) are uniformly distributed on the upper surface of the support (6), and the housing (1) is of a hollow cuboid structure.